ITFROMZERO - Share tobe shared!

Centralizing Linux Logs with systemd-journal-remote: A Lightweight ELK Alternative

By IT From Zero August 17, 2026

Manage logs centrally without the RAM-heavy ELK stack. This guide shows how to use systemd-journal-remote to collect binary logs from multiple Linux servers while keeping metadata intact.

Docker

Dockerize Strapi CMS: Professional Headless CMS Deployment with PostgreSQL and Docker Compose

By IT From Zero August 17, 2026

Forget about tedious environment setup. This guide helps you Dockerize Strapi CMS with PostgreSQL, optimize image size, and ensure smooth operation on any server.

MySQL

Managing Hierarchical Data in MySQL: Don’t Let ‘Category Trees’ Crash Your Server

By IT From Zero August 16, 2026

An analysis of three hierarchical data management models in MySQL: Adjacency List, Nested Set, and Closure Table. Choose the right structure to avoid database overload during scaling.

Centos

Storage Management on CentOS Stream 9 with Stratis: Stop Struggling with LVM

By IT From Zero August 16, 2026

Forget complex LVM commands. Learn how to use Stratis on CentOS Stream 9 to manage Storage Pools and Snapshots automatically, efficiently, and securely.

Centos

FreeIPA Installation Guide on CentOS Stream 9: Professional Centralized Identity Management (IdM)

By IT From Zero August 16, 2026

A detailed guide on installing FreeIPA on CentOS Stream 9. A centralized solution for managing Users, Groups, and Kerberos security—a perfect alternative to manual administration.

Artificial Intelligence tutorial - IT technology blog

Professional Prompt Testing with Promptfoo: Stop “Vibe-Checking” and Start Measuring

By IT From Zero August 16, 2026

Learn how to use Promptfoo to automate prompt testing, comparison, and evaluation. Replace manual trial-and-error with a scientific measurement process.

Monitoring

Mastering lnav: Advanced Real-Time Log Viewing and Analysis on Linux

By IT From Zero August 16, 2026

Don't let log reading become a nightmare. Discover lnav—a powerful Linux tool that merges log files, provides smart highlighting, and supports SQL queries to find errors in seconds.

MySQL

Handling MySQL Hangs Due to Metadata Locking: Don’t Let an ALTER Command Crash Your System

By IT From Zero August 16, 2026

Is ALTER TABLE hanging your MySQL? Explore the Metadata Locking (MDL) mechanism, how to use Performance Schema to find blocking threads, and tips for safe migrations on large databases.

Building an Automated Market Research AI Agent with Browser-use and LangChain

By IT From Zero August 16, 2026

Learn how to build an automated market research AI Agent using Browser-use and LangChain. A perfect alternative to traditional Web Scraping that saves 80% on maintenance time.

Database

PostgreSQL Optimization: Using Partial and Covering Indexes to Reduce Storage by 90% and Speed Up Queries

By IT From Zero August 16, 2026

Don't let indexes slow down your system. Discover how to combine Partial and Covering Indexes in PostgreSQL to optimize performance and save storage space effectively.

Monitoring Argo CD Application Sync and Health Status with Prometheus and Grafana

Installing and Using Portkey AI Gateway: Rate Limiting, Load Balancing, and Multi-LLM Observability

How to Install and Configure nftables on Linux: A Complete iptables Replacement

Optimizing KVM Networking with virtio-net Multiqueue and vhost-net: Hitting Full 10GbE Without CPU Bottlenecks

How to Deploy Umami Analytics with Docker Compose and PostgreSQL: Self-Host a Lightweight GA4 Alternative

How to Back Up SQLite to S3 with Litestream: Real-Time Production Backups

Guide to Using Tart on macOS Apple Silicon: Create and Manage CLI Virtual Machines for CI/CD

Installing and Configuring Auditd on Ubuntu Server: Tracing User Actions Down to the Kernel Level

How to Use git-credential-oauth: Log in to GitHub and GitLab in Terminal via Browser

How to Enable Virtualization-Based Security (VBS) and Credential Guard on VMware vSphere

Centralizing Linux Logs with systemd-journal-remote: A Lightweight ELK Alternative

Dockerize Strapi CMS: Professional Headless CMS Deployment with PostgreSQL and Docker Compose

Managing Hierarchical Data in MySQL: Don’t Let ‘Category Trees’ Crash Your Server

Storage Management on CentOS Stream 9 with Stratis: Stop Struggling with LVM

FreeIPA Installation Guide on CentOS Stream 9: Professional Centralized Identity Management (IdM)

Professional Prompt Testing with Promptfoo: Stop “Vibe-Checking” and Start Measuring

Mastering lnav: Advanced Real-Time Log Viewing and Analysis on Linux

Handling MySQL Hangs Due to Metadata Locking: Don’t Let an ALTER Command Crash Your System

Building an Automated Market Research AI Agent with Browser-use and LangChain

PostgreSQL Optimization: Using Partial and Covering Indexes to Reduce Storage by 90% and Speed Up Queries